<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<head>
<title>Testcase</title>
<style type="text/css">
 html{
   overflow:scroll;
 }
</style>
</head>

<body onload="var sheet = document.styleSheets[0]; sheet.disabled = true; sheet.disabled = false;">
  Load this page to crash
</body>
</html>